Andrea Di Biagio | 0cc66c7 | 2018-03-09 13:52:03 +0000 | [diff] [blame^] | 1 | //===--------------------- SummaryView.cpp -------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | /// \file |
| 10 | /// |
| 11 | /// This file implements the functionalities used by the SummaryView to print |
| 12 | /// the report information. |
| 13 | /// |
| 14 | //===----------------------------------------------------------------------===// |
| 15 | |
| 16 | #include "SummaryView.h" |
| 17 | #include "llvm/CodeGen/TargetSchedule.h" |
| 18 | |
| 19 | namespace mca { |
| 20 | |
| 21 | using namespace llvm; |
| 22 | |
| 23 | void SummaryView::printSummary(raw_ostream &OS) const { |
| 24 | unsigned TotalInstructions = Instructions * Iterations; |
| 25 | double IPC = (double)TotalInstructions / TotalCycles; |
| 26 | |
| 27 | std::string Buffer; |
| 28 | raw_string_ostream TempStream(Buffer); |
| 29 | TempStream << "Iterations: " << Iterations; |
| 30 | TempStream << "\nInstructions: " << TotalInstructions; |
| 31 | TempStream << "\nTotal Cycles: " << TotalCycles; |
| 32 | TempStream << "\nDispatch Width: " << DispatchWidth; |
| 33 | TempStream << "\nIPC: " << format("%.2f", IPC) << '\n'; |
| 34 | TempStream.flush(); |
| 35 | OS << Buffer; |
| 36 | } |
| 37 | |
| 38 | void SummaryView::printInstructionInfo(raw_ostream &OS) const { |
| 39 | std::string Buffer; |
| 40 | raw_string_ostream TempStream(Buffer); |
| 41 | |
| 42 | TempStream << "\n\nInstruction Info:\n"; |
| 43 | TempStream << "[1]: #uOps\n[2]: Latency\n[3]: RThroughput\n" |
| 44 | << "[4]: MayLoad\n[5]: MayStore\n[6]: HasSideEffects\n\n"; |
| 45 | |
| 46 | TempStream << "[1] [2] [3] [4] [5] [6]\tInstructions:\n"; |
| 47 | for (unsigned I = 0, E = Instructions; I < E; ++I) { |
| 48 | const MCInst &Inst = B.getMCInstFromIndex(I); |
| 49 | const InstrDesc &ID = B.getInstrDesc(Inst); |
| 50 | unsigned NumMicroOpcodes = ID.NumMicroOps; |
| 51 | unsigned Latency = ID.MaxLatency; |
| 52 | double RThroughput = B.getRThroughput(ID); |
| 53 | TempStream << ' ' << NumMicroOpcodes << " "; |
| 54 | if (NumMicroOpcodes < 10) |
| 55 | TempStream << " "; |
| 56 | else if (NumMicroOpcodes < 100) |
| 57 | TempStream << ' '; |
| 58 | TempStream << Latency << " "; |
| 59 | if (Latency < 10.0) |
| 60 | TempStream << " "; |
| 61 | else if (Latency < 100.0) |
| 62 | TempStream << ' '; |
| 63 | if (RThroughput) { |
| 64 | TempStream << format("%.2f", RThroughput) << ' '; |
| 65 | if (RThroughput < 10.0) |
| 66 | TempStream << " "; |
| 67 | else if (RThroughput < 100.0) |
| 68 | TempStream << ' '; |
| 69 | } else { |
| 70 | TempStream << " - "; |
| 71 | } |
| 72 | TempStream << (ID.MayLoad ? " * " : " "); |
| 73 | TempStream << (ID.MayStore ? " * " : " "); |
| 74 | TempStream << (ID.HasSideEffects ? " * " : " "); |
| 75 | MCIP.printInst(&Inst, TempStream, "", B.getSTI()); |
| 76 | TempStream << '\n'; |
| 77 | } |
| 78 | |
| 79 | TempStream.flush(); |
| 80 | OS << Buffer; |
| 81 | } |
| 82 | |
| 83 | } // namespace mca. |